C++ (Cpp) sst_get_stream_mapping примеры использования

Пример #1

Файл: pcm.c Проект: ratsbu11/android_kernel_asus_zenfone5

int sst_fill_stream_params(void *substream,
	const struct sst_data *ctx, struct snd_sst_params *str_params, bool is_compress)
{
	int map_size;
	int index;
	struct sst_dev_stream_map *map;
	struct snd_pcm_substream *pstream = NULL;
	struct snd_compr_stream *cstream = NULL;

	map = ctx->pdata->pdev_strm_map;
	map_size = ctx->pdata->strm_map_size;

	if (is_compress == true)
		cstream = (struct snd_compr_stream *)substream;
	else
		pstream = (struct snd_pcm_substream *)substream;

	str_params->stream_type = SST_STREAM_TYPE_MUSIC;

	/* For pcm streams */
	if (pstream) {
		index = sst_get_stream_mapping(pstream->pcm->device,
					  pstream->number, pstream->stream,
					  map, map_size, ctx->pipe_id, &ctx->ll_db);
		if (index <= 0)
			return -EINVAL;

		str_params->stream_id = index;
		str_params->device_type = map[index].device_id;
		str_params->task = map[index].task_id;

		if (str_params->device_type == SST_PROBE_IN)
			str_params->stream_type = SST_STREAM_TYPE_PROBE;

		pr_debug("str_id = %d, device_type = 0x%x, task = %d",
			 str_params->stream_id, str_params->device_type,
			 str_params->task);

		str_params->ops = (u8)pstream->stream;
	}

	if (cstream) {
		/* FIXME: Add support for subdevice number in
		 * snd_compr_stream */
		index = sst_get_stream_mapping(cstream->device->device,
					       0, cstream->direction,
					       map, map_size, ctx->pipe_id, &ctx->ll_db);
		if (index <= 0)
			return -EINVAL;
		str_params->stream_id = index;
		str_params->device_type = map[index].device_id;
		str_params->task = map[index].task_id;
		pr_debug("compress str_id = %d, device_type = 0x%x, task = %d",
			 str_params->stream_id, str_params->device_type,
			 str_params->task);

		str_params->ops = (u8)cstream->direction;
	}
	return 0;
}

Пример #2

Файл: sst-mfld-platform-pcm.c Проект: 383530895/linux

int sst_fill_stream_params(void *substream,
	const struct sst_data *ctx, struct snd_sst_params *str_params, bool is_compress)
{
	int map_size;
	int index;
	struct sst_dev_stream_map *map;
	struct snd_pcm_substream *pstream = NULL;
	struct snd_compr_stream *cstream = NULL;

	map = ctx->pdata->pdev_strm_map;
	map_size = ctx->pdata->strm_map_size;

	if (is_compress == true)
		cstream = (struct snd_compr_stream *)substream;
	else
		pstream = (struct snd_pcm_substream *)substream;

	str_params->stream_type = SST_STREAM_TYPE_MUSIC;

	/* For pcm streams */
	if (pstream) {
		index = sst_get_stream_mapping(pstream->pcm->device,
					  pstream->number, pstream->stream,
					  map, map_size);
		if (index <= 0)
			return -EINVAL;

		str_params->stream_id = index;
		str_params->device_type = map[index].device_id;
		str_params->task = map[index].task_id;

		str_params->ops = (u8)pstream->stream;
	}

	if (cstream) {
		index = sst_get_stream_mapping(cstream->device->device,
					       0, cstream->direction,
					       map, map_size);
		if (index <= 0)
			return -EINVAL;
		str_params->stream_id = index;
		str_params->device_type = map[index].device_id;
		str_params->task = map[index].task_id;

		str_params->ops = (u8)cstream->direction;
	}
	return 0;
}